Home / 200,081.93-276,121.91-115,226.33

Finding the Fourth Proportional to 200,081.93, 276,121.91 and 115,226.33

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Solution

The fourth proportional to 200,081.93, 276,121.91 and 115,226.33 is: 159,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,081.93 : 276,121.91 = 115,226.33 : x
  2. Step 2: Convert to fraction form
    200,081.93/276,121.91 = 115,226.33/x
  3. Step 3: Cross multiply
    200,081.93x = 276,121.91 × 115,226.33
  4. Step 4: Simplify right side
    200,081.93x = 31,816,512,365.15
  5. Step 5: Solve for x
    x = 31,816,512,365.15/200,081.93
  6. Step 6: Final answer
    x = 159,017.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.